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Finding the Fourth Proportional to 181,440.30, 250,348.95 and 109,806.06

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Solution

The fourth proportional to 181,440.30, 250,348.95 and 109,806.06 is: 151,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,440.30 : 250,348.95 = 109,806.06 : x
  2. Step 2: Convert to fraction form
    181,440.30/250,348.95 = 109,806.06/x
  3. Step 3: Cross multiply
    181,440.30x = 250,348.95 × 109,806.06
  4. Step 4: Simplify right side
    181,440.30x = 27,489,831,824.64
  5. Step 5: Solve for x
    x = 27,489,831,824.64/181,440.30
  6. Step 6: Final answer
    x = 151,508.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.